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bq27x00_battery: Call power_supply_changed only when capacity changed

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In current driver, power_supply_changed() is called whenever any of
the battery attribute changed. This causes kernel to increases the
'/sys/power/wakeup_count' and make suspend not working correctly.

This patch change this behavior to call power_supply_changed()
only when the battery capacity changed.

Signed-off-by: Puthikorn Voravootivat <puthik@chromium.org>
Reviewed-by: David Riley <davidriley@chromium.org>
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
Puthikorn Voravootivat 2014-10-21 18:15:37 -07:00 committed by Sebastian Reichel
parent 9dbf5a2864
commit 90f04a28fb
1 changed files with 4 additions and 3 deletions
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7
drivers/power/bq27x00_battery.c
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@ -497,10 +497,11 @@ static void bq27x00_update(struct bq27x00_device_info *di)
di->charge_design_full = bq27x00_battery_read_ilmd(di); di->charge_design_full = bq27x00_battery_read_ilmd(di);
} }
if (memcmp(&di->cache, &cache, sizeof(cache)) != 0) { if (di->cache.capacity != cache.capacity)
di->cache = cache;
power_supply_changed(&di->bat); power_supply_changed(&di->bat);
}
if (memcmp(&di->cache, &cache, sizeof(cache)) != 0)
di->cache = cache;
di->last_update = jiffies; di->last_update = jiffies;
} }